(R)-(+)-2,2'-Diamino-1,1'-binaphthalene Chemical Properties

Melting point:

242-244 °C(lit.)

alpha 

156 º (c=1, pyridine)

Boiling point:

416.85°C (rough estimate)

Density 

1.0447 (rough estimate)

refractive index 

1.6450 (estimate)

storage temp. 

Keep in dark place,Sealed in dry,Room Temperature

solubility 

Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)

form 

Powder

pka

3.79±0.10(Predicted)

color 

slightly beige

optical activity

[α]20/D +157°, c = 1 in pyridine

Water Solubility 

slightly soluble

BRN 

5279621

CAS DataBase Reference

18741-85-0(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xn,Xi

Risk Statements 

36/37/38

Safety Statements 

26-39-37/39-36

WGK Germany 

3

RTECS 

DU3090000

F 

10

HS Code 

29215900

MSDS

• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich

(R)-(+)-2,2'-Diamino-1,1'-binaphthalene Usage And Synthesis

Synthesis

(R)-(+)-2,2'-Diamino-1,1'-binaphthalene can be 1a , 2b, potassium carbonate, potassium iodide, dimethyl sulfoxide as a reaction solvent, then react with adding potassium hydroxide, and finally extract with ethyl acetate And get.

Physical properties

(R)-(+)-2,2'-Diamino-1,1'-binaphthalene is a off-white to brown powder.

Uses

(R)-(+)-1,1'-Bi(2-naphthylamine) derivatives have been used for asymmetric hydrogenations, cyclopropanations and formation of chiral lactones. It can be used for the synthesis of sterically hindered binaphthalene-based monophosphane ligands.

General Description

(R)-(+)-1,1′-Binaphthyl-2,2′-diamine is an axially dissymmetric binaphthyl ligand mainly used in enantioselective catalysis.

(R)-(+)-2,2'-Diamino-1,1'-binaphthalene(18741-85-0)Related Product Information

• 1-Naphthylamine
• HYDRAZINE
• 1,3-Diaminoguanidine monohydrochloride
• 2-Naphthylamine
• 1,1'-BINAPHTHYL
• (S)-(-)-2,2'-Diamino-1,1'-binaphthalene
• (R)-(+)-2,2'-Diamino-1,1'-binaphthalene